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CARSON RIVER - CARSON CITY (STWN2)

Latitude: 39.11º N	Longitude: 119.71º W	Elevation: 4620 Feet
Location: Carson City County in Nevada		Bulletin Group: Eastern Sierra		River Group: Eastern Sierra

Issuance Time:

Dec 08, 2023 at 7:34 AM PST

Monitor Stage: 8.0 Feet

Flood Stage: 10.0 Feet

Please Note:

Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Threshold Exceedance Plot Product Information

CSV Ensemble File Download (Data in feet): STWN2

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Monitor Stage Flood Stage Custom Threshold

Threshold Value: Threshold Label:

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		Official Forecast (Deterministic)

		Prob. of Threshold Exceedance
		Model Traces

What information is considered in this forecast?

Verification / Historical Plots
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Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
8.0 Feet	Flood threat and localized overbank flow begin in lowest areas.
8.5 Feet	Minimal lowland flooding through reach.
9.0 Feet	Minor lowland flooding through reach in lower flood prone areas.
9.5 Feet	Minor flood impacts in lower portions of reach.
10.0 Feet	Flood Stage - Minor to moderate flooding, several homes begin to have flood problems in Genoa, Carson Valley, Stewart, and Dayton. Minor to moderate damage to agriculture.
10.5 Feet	Moderate flooding through reach. Damage to roads, bridges, crops, irrigation systems, and buildings in lower areas. Transportation begins to be affected.
11.0 Feet	Major flooding. Many roads and highways flooded. Transportation becoming difficult, US Highway 395 closes. Massive bank erosion with the ability to wash away buildings, cars, and roads. River channel begins to move around laterally.
12.0 Feet	Extensive flooding with major damage. Most roads in valley areas flood making transportation difficult. Massive erosion with large agricultural losses, cattle drownings.
13.5 Feet	Flood disaster throughout reach. Transportation very difficult. Large number of structures affected, infrastructure damage (roads, bridges, power, and water).
15.0 Feet	Major flood disaster with widespread destruction throughout reach from Genoa to Weeks. Transportation extremely difficult.
16.0 Feet	Near record flooding with massive destruction throughout reach. Most towns isolated, transporation nearly impossible.
17.0 Feet	Record flooding. All towns cut off, bridges and roads destroyed.
19.0 Feet	Incredible flood with damage previously unknown from Carson Valley to Fort Churchill, including Empire and Dayton areas. USGS estimated 100 year flood.

Official 7 Day National Weather Service Forecast (NVZ003)

Today: Partly cloudy in the morning then clearing. Highs 37 to 42. Light winds becoming north around 10 mph in the afternoon.

Tonight: Clear. Lows 13 to 23. Light winds.

Saturday: Sunny in the morning then becoming partly cloudy. Highs 41 to 46. Light winds becoming southeast around 10 mph in the afternoon.

Saturday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 24 to 29. Southeast winds around 10 mph in the evening becoming light.

Sunday: Mostly cloudy. Highs 51 to 61. Light winds.

Sunday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 25 to 30.

Monday and Monday Night: Partly cloudy. Highs 49 to 54. Lows 19 to 29.

Tuesday and Tuesday Night: Clear. Highs 44 to 49. Lows 22 to 27.

Wednesday through Thursday: Partly cloudy. Highs 41 to 51. Lows 22 to 27.

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